12981545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 16381440

約数和(自身を除く): 3399895

約数列:

[1, 5, 23, 115, 157, 719, 785, 3595, 3611, 16537, 18055, 82685, 112883, 564415, 2596309, 12981545]

約数ペア:

[(1, 12981545), (5, 2596309), (23, 564415), (115, 112883), (157, 82685), (719, 18055), (785, 16537), (3595, 3611)]